OregonFlora species comparison

5–34 cm, sparsely villous-tomentose; from single taproot.

forming clumps, 23–62 cm, green, sparsely villous-hirsute; more densely so below heads.

ovate-lanceolate, undivided to pinnatifid, rarely with some leaves pinnately compound;

margins sharply serrate;

tips apiculate;

surfaces sparsely hispid;

basal leaves in 1–few rosettes;

blades 4.5–15 × 2–5.5 cm;

pinnae (when present) 4–11 mm wide;

petioles 1–9(13) cm, often one or more bract-like basal leaves present;

cauline leaves of 1 pair (when present); opposite;

blades 1–4(5.5) × 0.6–1.5 cm;

petioles 2–5.5(6.5) cm.

simple;

margins entire to slightly crenate;

surfaces hirsutulous to hirsute;

basal leaves in multiple rosettes;

blades deltate, 7–30 × 4.7–16 cm, bases cordate to hastate;

petioles 7.5–36 cm;

cauline proximal pair generally opposite, lanceolate;

distal alternate;

blades tapering at both ends, 2.5–8.2 × 0.4–2.8 cm;

petioles 0–7.5 cm.

with 1 terminal head.

with 1 larger; terminal head and 1–6 smaller; axillary heads;

peduncles 0–20.5 cm.

13–15 × 10–30 mm.

terminal 9–15 × 15–25 mm; axillary 9–13 × 6–12 mm.

8–21, yellow;

rays 13–24 × 4–9 mm.

8–20 on large heads, 5–9 on small heads, yellow, persistent after drying;

rays 18–26 × 5–11 mm.

~8 mm.

6.5–8.5 mm.

linear-lanceolate, 11–18 × 2–4 mm;

tips acuminate, sparsely to densely villous-tomentose.

ovate-lanceolate, 8–34 × 4–7 mm; outer often tapered to caudate or with acuminate tips, villous to tomentose.

6–7 × 1.5–2 mm, glabrous.

5.5–7.5 × 2–2.5 mm, generally strigillose, sometimes glabrous.

11–12 mm.

11–13 mm.

=38.